Hopes of saving 53 crew members trapped on board a missing Indonesian submarine are fading as its oxygen supply is understood to have run out.
Search helicopters, military aircrafts and warships from across the world have been deployed to hunt down the navy ship KRI Nanggala-402.
The German-built vessel disappeared off the coast of Bali on Wednesday when it was conducting a drill, but failed to report back and contact was lost.
Authorities have said the crew had enough air to last them three days after losing power, but that deadline passed early on Saturday morning. "So far we haven't found it...
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